package GYS.mole.tools;

public class Num
{

	public static boolean StringIsNumber(String xx)
	{
		if (xx.equals(""))
		{
			return false;
		}
		for (int i = 0; i < xx.length(); i++)
		{
			if (!Character.IsNumber(xx.charAt(i)))
			{
				return false;
			}
		}
		return true;
	}
}